Population genetic analyses highlight an eastward dispersal of Puccinia striiformis f. sp. tritici from the Shaanxi province to the North China Plain

Table 1 Genetic diversity of Puccinia striiformis f. sp. tritici populations analyzed with 13 simple sequence repeat (SSR) markers

Groups	Population	N	Na	Ne	I	Ho	He
County	HBA1	24	1.538	1.491	0.355	0.487	0.252
	HBB1	23	1.462	1.462	0.320	0.462	0.231
	HNA1	13	1.692	1.416	0.338	0.382	0.228
	HNA2	12	1.692	1.347	0.305	0.314	0.200
	HNB1	12	1.538	1.538	0.373	0.538	0.269
	SDA1	19	1.846	1.501	0.366	0.470	0.246
	SDB1	47	2.385	1.499	0.429	0.397	0.263
	SXA1	23	2.154	1.504	0.447	0.395	0.283
	SXA2	26	1.923	1.516	0.444	0.376	0.288
	SXA3	5	1.462	1.320	0.262	0.308	0.178
	SXA4	9	1.846	1.490	0.400	0.393	0.264
	SXA5	33	2.462	1.623	0.505	0.562	0.325
	SXA6	12	1.846	1.515	0.400	0.455	0.267
	SXA7	19	1.462	1.334	0.256	0.324	0.176
	SXB1	18	2.154	1.534	0.429	0.355	0.253
	SXB2	3	1.846	1.563	0.480	0.410	0.325
	SXC1	4	1.538	1.538	0.373	0.538	0.269
Prefecture	HBA	24	1.538	1.491	0.355	0.487	0.252
	HBB	23	1.462	1.462	0.320	0.462	0.231
	HNA	25	2.000	1.463	0.417	0.348	0.271
	HNB	12	1.538	1.538	0.373	0.538	0.269
	SDA	19	1.846	1.501	0.366	0.470	0.246
	SDB	47	2.385	1.499	0.429	0.397	0.263
	SXA	127	2.923	1.900	0.671	0.426	0.407
	SXB	21	2.615	1.695	0.555	0.363	0.319
	SXC	4	1.538	1.538	0.373	0.538	0.269
Province	HB	47	1.538	1.476	0.342	0.475	0.243
	HN	37	2.385	1.644	0.569	0.414	0.348
	SD	66	2.615	1.575	0.463	0.417	0.278
	SX	152	3.538	1.986	0.735	0.420	0.424

N, number of individuals; Na, number of polymorphic alleles; Ne, number of effective alleles; I, Shannon’s information index; Ho, observed heterozygosity; He, expected heterozygosity